Action_Thermostats
Add_AtomRandomPerturbation
Add_RotateAroundBondAction
Add_SelectAtomByNameAction
Adding_Graph_to_ChangeBondActions
Adding_MD_integration_tests
Adding_StructOpt_integration_tests
AutomationFragmentation_failures
Candidate_v1.6.1
Candidate_v1.7.0
ChangeBugEmailaddress
ChangingTestPorts
ChemicalSpaceEvaluator
Docu_Python_wait
EmpiricalPotential_contain_HomologyGraph_documentation
Enhance_userguide
Enhanced_StructuralOptimization
Enhanced_StructuralOptimization_continued
Example_ManyWaysToTranslateAtom
Exclude_Hydrogens_annealWithBondGraph
Fix_ChronosMutex
Fix_StatusMsg
Fix_StepWorldTime_single_argument
Fix_Verbose_Codepatterns
ForceAnnealing_oldresults
ForceAnnealing_with_BondGraph
ForceAnnealing_with_BondGraph_continued
ForceAnnealing_with_BondGraph_continued_betteresults
ForceAnnealing_with_BondGraph_contraction-expansion
GeometryObjects
Gui_displays_atomic_force_velocity
IndependentFragmentGrids_IntegrationTest
JobMarket_RobustOnKillsSegFaults
JobMarket_StableWorkerPool
PythonUI_with_named_parameters
QtGui_reactivate_TimeChanged_changes
Recreated_GuiChecks
RotateToPrincipalAxisSystem_UndoRedo
StoppableMakroAction
TremoloParser_IncreasedPrecision
TremoloParser_MultipleTimesteps
stable
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| 1 | /*
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| 2 | * ZeroInstance.hpp
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| 3 | *
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| 4 | * Created on: Aug 10, 2012
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| 5 | * Author: heber
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| 6 | */
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| 7 |
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| 8 | #ifndef ZEROINSTANCE_HPP_
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| 9 | #define ZEROINSTANCE_HPP_
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| 10 |
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| 11 |
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| 12 | // include config.h
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| 13 | #ifdef HAVE_CONFIG_H
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| 14 | #include <config.h>
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| 15 | #endif
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| 16 |
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| 17 | /** This functions returns an instance equal to zero.
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| 18 | *
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| 19 | * This serves two functions: One the one hand we need a zero value to intialize
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| 20 | * the (Orthogonal)Summation. On the other hand, ZeroInstance<T> also marks a
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| 21 | * special (Set)Value of a subset that should not contribute, i.e. whose
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| 22 | * contribution is set to zero.
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| 23 | *
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| 24 | * @return instance initialized to zero
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| 25 | */
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| 26 | template <typename T> T ZeroInstance()
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| 27 | {
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| 28 | return NULL;
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| 29 | }
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| 30 |
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| 31 | template<> inline double ZeroInstance<double>() { return 0.; }
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| 32 | template<> inline int ZeroInstance<int>() { return 0; }
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| 33 | template<> inline size_t ZeroInstance<size_t>() { return (size_t)0; }
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| 34 |
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| 35 |
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| 36 | #endif /* ZEROINSTANCE_HPP_ */
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